China Kovid-19 ‘Super Spreader’ Linked to 102 Infections


The man, who worked as a salesman promoting health products to the elderly, traveled from his home province of Heilongjiang to neighboring Jilin province, bringing the virus with him.

Authorities claim that she inadvertently spread the virus among elderly residents for several days before it was tracked down as close contact to a case confirmed by health officials.

“The superspreader incident occurred mainly in our province because when the superspreader was discovered, it was still in its early stages of infection and had a relatively strong ability to shed the virus,” Zhao Qinglong, Jilin Provincial Disease Control and Prevention An official with the center told the state-run news agency Xinhua.

A superseding event occurs when a person infects a large number of people, because of high viral load in their droplets, or other factors such as behavior and time.

The apparent superseding incident occurred in Jilin as China struggles with its worst coronovirus outbreak in months, which has reported millions of cases under lockdown in its northern provinces and seen tens of millions of lives.

It also demonstrated the extent and speed of contact tracing and screening by Chinese health officials, who have played a key role in ending local outbreaks.

Detailed itinerary and privacy concerns

According to the Jilin Provincial Health Commission, the seller was diagnosed as confirming the Kovid-19 Sunday, initially identified as an asymptomatic carrier last Tuesday. China records asymptomatic infections separately from its official case count.

The commission published a detailed schedule of the salesman’s trip the week before it tested positive for the virus, including four train rides (with listed seat numbers), three bus rides and a subway ride, Going back and forth between Heiliang and Jilin.

Over the four days, the man held four “health seminars,” or marketing sessions, at community health clubs targeting elderly residents in Jilin’s Gongjing and Tonghua cities.

In total, 79 people were infected, who attended the seminar, who then went on to infect 23 of their close contacts, Commission Deputy Director Zhang Yan said at a press conference on Sunday. Zhang said the average age of infected people is 63 years, with the highest age being 87.

All infected people were tracked down as close contacts to the man and placed under quarantine, before testing positive during therapy, Zhang said.

Although an effective tool for contact tracing, making detailed travel histories of coronavirus patients public has increased concerns about privacy in China.

Last month, a young woman from the southwestern city of Chengdu was publicly shamed on social media for her “decadent” lifestyle, as users tested once every two weeks and several nightclubs before testing positive for the virus. He was attacked for going in.

Community health club under investigation

Jilin’s apparent superseding event has brought community health clubs under greater scrutiny from health experts and officials.

Xinhua reported that one of the health clubs, in Tonghua City, is located in a room on the ground floor of an old residential building, where 30 to 40 people attend the person’s seminar.

According to Xinhua, Jilin health officer Zhao said, “The infected people had gathered in an enclosed space for a long time.” “Most of them are middle-aged and elderly people with underlying health conditions and weak immunity, and are therefore susceptible to infection.”

So-called “health clubs” catering for the elderly are becoming increasingly common among residential communities in China, where marketing sessions, often branded as “health lectures,” are regularly used for health products such as supplements and physical Medical devices are organized for promotion.

According to Xinhua, unlike cinemas, restaurants, karaoke parlors and other commercial venues, these clubs often hide in residential buildings and are difficult for authorities to regulate.

Jilin officials are investigating whether the two health clubs in which the man held the promotion violated any rules, the provincial market supervision officer told the news conference.

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